The word affectional is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 22
Highest Scoring Words With Friends™ Play In The Letters affectional
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Seven Letter Word Alert: (21 words)
aconite, aeolian, affiant, affinal, afflict, alicant, aloetic, coalite, elation, faction, falcate, fanatic, fantail, foliate, inflate, inflect, lactone, lection, offline, tailfan, toenail